Which of the following is NOT a characteristic of bacteria? A. It contains a protective cell wall.

B. It has a cell membrane.

C. It lacks a nucleus.

D . It is a multicelled organism.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

When a scientific theory has been tested and proved by the scientific community, it becomes a law